interrupt

nouns

a signal that temporarily stops the execution of a program so that another procedure can be carried out
is a type of (narrower)
an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

verbs

make a break in
"We interrupt the program for the following messages"
is derived from
is derived from
destroy the peace or tranquility of
"Don't interrupt me when I'm reading"
interfere in someone else's activity
"Please don't interrupt me while I'm on the phone"
is derived from
terminate
"She interrupted her pregnancy"; "break a lucky streak"; "break the cycle of poverty"